Berlin 2005 – wissenschaftliches Programm

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EP: Extraterrestrische Physik


EP 2.3: Fachvortrag

Freitag, 4. März 2005, 14:50–15:10, TU BH349

Solar irradiance variations on time scales of interest for climate studies — •Natalie Krivova — Max-Planck-Institut fuer Sonnensystemforschung, Max-Planck-Str. 2, 37191 Katlenburg-Lindau

Variations of solar total and spectral irradiance are reckoned key solar factors exerting influence on the Earth’s climate. The time series of direct measurements of solar irradiance covers less than 3 solar cycles and is too short to understand the connection between the irradiance variability and climate change. Therefore it needs to be extended back in time with the help of models. This includes 2 major steps: (1) identification of the causes of the observed irradiance variations and (2) reconstruction of irradiance over as long time scales as possible. Here a brief overview of recent efforts to model solar total and spectral irradiance variations on time scales of relevance for climate studies is given.

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